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Table 1 Distribution of copper groups for the samples of Types BL and LS drums (for definition of copper groups see [33])

From: Separation or integration? Further insights from a study on chemical datasets of ancient bronze drums from South and Southeast Guangxi, China

Type

CG1 (None)

CG6 (As + Sb)

CG7 (Sb + Ag)

Beiliu

0

3 (TG-23/24/56)

9 (TG-39/40/41/54/55/58/60/61/62)

Lingshan

1 (TG-11)

0

6 (TG-7/8/10/12/44/52)